Maxim, Yes, there is a beta C compiler from TI ( you have to ask Jason Kridner for it ), and CCS 6 comes with it too I've been told( I do not use CCS personally ).
On Tue, Jul 15, 2014 at 2:08 AM, Maxim Podbereznyy <[email protected]> wrote: > is it possible to write code for PRU in C? > > > 2014-07-15 13:03 GMT+04:00 Sungjin Chun <[email protected]>: > > Though I have not yet tested your code, thank you for your great >> example. :-) >> ------------------------------ >> From: [email protected] >> Sent: 7/15/2014 4:52 PM >> To: [email protected] >> Subject: [beagleboard] PRUSS uart to read from ADAFRUIT Ultimate GPS >> >> Example of reading data with PRUSS Uart. >> >> Full code at: https://github.com/jstampfl/Pruuart >> >> / pu.p V1 >> >> // Use PRUSS uart to read data from ADAFRUIT Ultimate GPS >> // reads data to nl, put in buffer and signal linux side. >> .setcallreg r2.w0 // Going to use r31 for interrupt >> .origin 0 >> .entrypoint TB >> TB: >> ldi r20,0 >> ldi r21,0 >> ldi r22,0 >> mov r0,0 >> sbbo r0,r20,r21,4 >> zero &r0,64 //zero 16 registers >> TB05: >> sbbo r0,r20,r21,64 //zero some of pru0 local memory >> add r21,r21,64 // for linux string functions >> add r22,r22,1 >> qbgt TB05,r22,20 >> TB1: >> ldi r3,4 //Uart divisor =1250 = 0x04E2 >> sbco r3,c7,0x24,4 // 9600 at 16x >> ldi r3,0xE2 //in DLL & DLH >> sbco r3,c7,0x20,4 >> >> ldi r3,0x3 //LCR = 3, 8 none & 1 >> sbco r3,c7,0x0C,4 // >> >> mov r3,0x6001 //Power & >> sbco r3,c7,0x30,4 // = tx on, rx on & Free ot enable >> ldi r4,0 >> ldi r5,0 >> ldi r3,0 >> ldi r20,0 >> ldi r21,0 >> TB2: >> // r5 points to start of buffer >> // r4 is offset into buffer >> lbco r3,c7,0x14,4 //check LSR for date ready >> qbbc TB2,r3.t0 >> >> lbco r3,c7,0,4 //data is ready, get from RBR >> sbbo r3,r5,r4,1 // and put in buffer >> add r4,r4,1 >> >> qbne TB2,r3,0xA // do until nl received >> sbbo r20,r5,r4,1 // put null to terminate >> ldi r4,0 // zero buffer pointer >> mov r31.b0,35 // signal linux >> jmp TB2 >> TB9: >> >> mov r31.b0,35 >> ldi r4,0xFFFF >> ldi r5,0 >> TB10: >> add r5,r5,1 >> qbgt TB10,r5,r4 >> >> HALT >> >> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > LinkedIn - http://www.linkedin.com/in/maximpodbereznyy > Company - http://www.linkedin.com/company/mentorel > Facebook - https://www.facebook.com/mentorel.company > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
